2222312121012 has 24 divisors (see below), whose sum is σ = 5185479037536. Its totient is φ = 740758694368.

The previous prime is 2222312120993. The next prime is 2222312121037. The reversal of 2222312121012 is 2101212132222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222312121012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714243 + ... + 2225930.

It is an arithmetic number, because the mean of its divisors is an integer number (216061626564).

Almost surely, 2^{2222312121012} is an apocalyptic number.

It is an amenable number.

2222312121012 is an abundant number, since it is smaller than the sum of its proper divisors (2963166916524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222312121012 is a wasteful number, since it uses less digits than its factorization.

2222312121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003167 (or 3003165 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2222312121012 its reverse (2101212132222), we get a palindrome (4323524253234).

The spelling of 2222312121012 in words is "two trillion, two hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, twelve".